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// -*- C++ -*- |
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//===-- memory_impl.h -----------------------------------------------------===// |
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// |
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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// See https://llvm.org/LICENSE.txt for license information. |
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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// |
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//===----------------------------------------------------------------------===// |
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|
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#ifndef _PSTL_MEMORY_IMPL_H |
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#define _PSTL_MEMORY_IMPL_H |
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|
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#include <iterator> |
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|
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#include "unseq_backend_simd.h" |
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|
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namespace __pstl |
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{ |
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namespace __internal |
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{ |
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|
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//------------------------------------------------------------------------ |
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// uninitialized_move |
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//------------------------------------------------------------------------ |
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|
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template <typename _ForwardIterator, typename _OutputIterator> |
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_OutputIterator |
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__brick_uninitialized_move(_ForwardIterator __first, _ForwardIterator __last, _OutputIterator __result, |
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/*vector=*/std::false_type) noexcept |
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{ |
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using _ValueType = typename std::iterator_traits<_OutputIterator>::value_type; |
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for (; __first != __last; ++__first, ++__result) |
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{ |
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::new (std::addressof(*__result)) _ValueType(std::move(*__first)); |
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} |
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return __result; |
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} |
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|
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template <typename _ForwardIterator, typename _OutputIterator> |
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_OutputIterator |
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__brick_uninitialized_move(_ForwardIterator __first, _ForwardIterator __last, _OutputIterator __result, |
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/*vector=*/std::true_type) noexcept |
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{ |
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using __ValueType = typename std::iterator_traits<_OutputIterator>::value_type; |
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using _ReferenceType1 = typename std::iterator_traits<_ForwardIterator>::reference; |
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using _ReferenceType2 = typename std::iterator_traits<_OutputIterator>::reference; |
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|
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return __unseq_backend::__simd_walk_2( |
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__first, __last - __first, __result, |
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[](_ReferenceType1 __x, _ReferenceType2 __y) { ::new (std::addressof(__y)) __ValueType(std::move(__x)); }); |
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} |
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|
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template <typename _Iterator> |
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void |
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__brick_destroy(_Iterator __first, _Iterator __last, /*vector*/ std::false_type) noexcept |
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{ |
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using _ValueType = typename std::iterator_traits<_Iterator>::value_type; |
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|
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for (; __first != __last; ++__first) |
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__first->~_ValueType(); |
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} |
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|
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template <typename _Iterator> |
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void |
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__brick_destroy(_Iterator __first, _Iterator __last, /*vector*/ std::true_type) noexcept |
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{ |
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using _ValueType = typename std::iterator_traits<_Iterator>::value_type; |
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using _ReferenceType = typename std::iterator_traits<_Iterator>::reference; |
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|
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__unseq_backend::__simd_walk_1(__first, __last - __first, [](_ReferenceType __x) { __x.~_ValueType(); }); |
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} |
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|
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//------------------------------------------------------------------------ |
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// uninitialized copy |
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//------------------------------------------------------------------------ |
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|
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template <typename _ForwardIterator, typename _OutputIterator> |
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_OutputIterator |
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__brick_uninitialized_copy(_ForwardIterator __first, _ForwardIterator __last, _OutputIterator __result, |
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/*vector=*/std::false_type) noexcept |
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{ |
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using _ValueType = typename std::iterator_traits<_OutputIterator>::value_type; |
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for (; __first != __last; ++__first, ++__result) |
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{ |
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::new (std::addressof(*__result)) _ValueType(*__first); |
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} |
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return __result; |
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} |
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|
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template <typename _ForwardIterator, typename _OutputIterator> |
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_OutputIterator |
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__brick_uninitialized_copy(_ForwardIterator __first, _ForwardIterator __last, _OutputIterator __result, |
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/*vector=*/std::true_type) noexcept |
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{ |
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using __ValueType = typename std::iterator_traits<_OutputIterator>::value_type; |
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using _ReferenceType1 = typename std::iterator_traits<_ForwardIterator>::reference; |
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using _ReferenceType2 = typename std::iterator_traits<_OutputIterator>::reference; |
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|
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return __unseq_backend::__simd_walk_2( |
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__first, __last - __first, __result, |
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[](_ReferenceType1 __x, _ReferenceType2 __y) { ::new (std::addressof(__y)) __ValueType(__x); }); |
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} |
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|
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} // namespace __internal |
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} // namespace __pstl |
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|
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#endif /* _PSTL_MEMORY_IMPL_H */ |
